Patents by Inventor Toshiyuki Kato
Toshiyuki Kato has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11938429Abstract: The filter device includes a case, an element, and a water separator. The case accommodates the element and the water separator. The element removes solid particulates from the fuel. The element can be replaced by opening the case. The water separator removes water content from the fuel. The water separator is held in the case. The water separator is movable relative to the case. The water separator is movable within a movable range. The element and the water separator are provided with a passage connecting member for connecting a fuel passages.Type: GrantFiled: August 25, 2021Date of Patent: March 26, 2024Assignee: KYOSAN DENKI CO., LTD.Inventors: Takafumi Kato, Toshiaki Agui, Toshiyuki Yonemoto
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Patent number: 11923152Abstract: An electrolytic capacitor includes a capacitor element that includes an anode body that has a porous structure, a dielectric layer disposed on a surface of the anode body, and a solid electrolyte layer that covers at least a part of the dielectric layer. The anode body contains a first group metal including at least one selected from the group consisting of tantalum, niobium, titanium, aluminum, and zirconium. The dielectric layer contains an oxide of the first group metal and a second group metal including at least one selected from the group consisting of iron, chromium, copper, silicon, molybdenum, sodium, and nickel. A ratio X of a total number of atoms of the second group metal to a total number of atoms of the first group metal in the dielectric layer is equal to or less than 100 ppm.Type: GrantFiled: February 22, 2022Date of Patent: March 5, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masahiro Ueda, Kohei Yamaguchi, Toshiyuki Kato, Takashi Umemoto
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Patent number: 11893932Abstract: A display apparatus includes a display panel including a plurality of pixels, and a current limiting circuit that limits current consumption in the plurality of pixels, the current limiting circuit includes a gain computation circuit that computes a screen power value in reference to a pixel value included in a video signal and that determines a gain in reference to the screen power value, and a gain multiplication circuit that multiplies the pixel value by the gain and that outputs a limit signal including the pixel value multiplied by the gain, the display panel includes a display unit, and a lighting control circuit that controls a lighting state of the plurality of pixels in reference to a predicted power value computed according to the limit signal, to reduce a power consumption value in the plurality of pixels to a value equal to or smaller than a control target power value, the gain is 1 when the screen power value is equal to or smaller than the control target power value, and the gain is a value equaType: GrantFiled: May 17, 2021Date of Patent: February 6, 2024Assignee: JOLED INC.Inventor: Toshiyuki Kato
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Publication number: 20230222971Abstract: A display apparatus includes a display panel including a plurality of pixels, and a current limiting circuit that limits current consumption in the plurality of pixels, the current limiting circuit includes a gain computation circuit that computes a screen power value in reference to a pixel value included in a video signal and that determines a gain in reference to the screen power value, and a gain multiplication circuit that multiplies the pixel value by the gain and that outputs a limit signal including the pixel value multiplied by the gain, the display panel includes a display unit, and a lighting control circuit that controls a lighting state of the plurality of pixels in reference to a predicted power value computed according to the limit signal, to reduce a power consumption value in the plurality of pixels to a value equal to or smaller than a control target power value, the gain is 1 when the screen power value is equal to or smaller than the control target power value, and the gain is a value equaType: ApplicationFiled: May 17, 2021Publication date: July 13, 2023Inventor: Toshiyuki KATO
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Publication number: 20230169920Abstract: A current limiting circuit includes: a delay circuit that receives a video signal, and outputs a delay signal obtained by delaying the video signal by a time period corresponding to one frame; a calculation circuit that receives the video signal, and calculates a gain by which the delay signal is to be multiplied, based on power consumption of the pixels corresponding to the delay signal and power consumption of the pixels corresponding to the video signal; and a gain multiplication circuit that multiplies the delay signal by the gain.Type: ApplicationFiled: November 15, 2022Publication date: June 1, 2023Applicant: JOLED INC.Inventor: Toshiyuki KATO
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Publication number: 20230145058Abstract: A method for producing an electrode for an electrolytic capacitor, the method including: a chemical conversion step of allowing a current to flow through a metal material containing a valve metal in a chemical conversion solution containing an electrolyte, to form an oxide film on a surface of the metal material, wherein the chemical conversion solution contains a nitrate-based compound as the electrolyte at a concentration of 0.03 mass % or more, and a phosphorus compound concentration in the chemical conversion solution is less than 0 01 mass %.Type: ApplicationFiled: February 10, 2021Publication date: May 11, 2023Inventors: Takahiro YOSHINO, Hiroaki SUZUKI, Hitoshi ISHIMOTO, Toshiyuki KATO, Masahiro UEDA
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Publication number: 20230130414Abstract: A control device is for use in a case where frame periods, each being a period in which one image continues to be displayed, vary in length within a given range or temporarily become stable in length on a frame-by-frame basis, and accurate lengths of the frame periods are not known beforehand. The control device changes a total number of subframe periods to reconfigure the frame period with n subframe periods, where n is an integer of two or more, regardless of the frame period input, and causes the display of the image. The control device includes a signal processor that outputs an output video signal according to a first input video signal on a subframe-period-by-subframe-period basis; and a controller that supplies the output video signal output from the signal processor and a control signal for controlling an operation of the display panel to the display panel.Type: ApplicationFiled: October 14, 2022Publication date: April 27, 2023Applicant: JOLED INC.Inventors: Hiroaki ISHII, Toshiyuki KATO
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Publication number: 20230110329Abstract: A control device for a display panel for applications where a frame period in which a same image continues to be displayed varies from frame to frame within a certain range or the frame period is temporarily stable across frames and where a precise frame period is undetermined beforehand. The control device controls the display panel such that, when a frame having a length exceeding a preset number of lines is input, the display panel displays an image over a frame period corresponding to the preset number of lines and an added period added after the frame period. The added period includes one or more individual added periods each including a light emission period and a light extinction period, and the one or more individual added periods are each a period corresponding a predetermined number of lines.Type: ApplicationFiled: October 4, 2022Publication date: April 13, 2023Applicant: JOLED INC.Inventors: Hiroaki ISHII, Toshiyuki KATO
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Publication number: 20220310330Abstract: An electrolytic capacitor includes a capacitor element that includes an anode body that has a porous structure, a dielectric layer disposed on a surface of the anode body, and a solid electrolyte layer that covers at least a part of the dielectric layer. The anode body contains a first group metal including at least one selected from the group consisting of tantalum, niobium, titanium, aluminum, and zirconium. The dielectric layer contains an oxide of the first group metal and a second group metal including at least one selected from the group consisting of iron, chromium, copper, silicon, molybdenum, sodium, and nickel. A ratio X of a total number of atoms of the second group metal to a total number of atoms of the first group metal in the dielectric layer is equal to or less than 100 ppm.Type: ApplicationFiled: February 22, 2022Publication date: September 29, 2022Inventors: MASAHIRO UEDA, KOHEI YAMAGUCHI, TOSHIYUKI KATO, TAKASHI UMEMOTO
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Patent number: 11195439Abstract: The present invention provides a head-up display apparatus capable of properly presenting information to a wide area. A head-up display apparatus includes: an image light output unit configured to output a first image display light formed by a visible light laser and a second image display light formed by an ultraviolet light laser; a screen that diffuses and transmits the first image display light, and transmits the second image display light without diffusing the second image display light; and a mirror that reflects the first and the second image display lights transmitted through the screen towards a windshield that presents a virtual image to a user by reflecting the visible light laser and presents a real image to the user by receiving the ultraviolet light laser and emitting light by itself.Type: GrantFiled: August 24, 2020Date of Patent: December 7, 2021Assignee: JVCKENWOOD CORPORATIONInventor: Toshiyuki Kato
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Patent number: 11107403Abstract: A current limiting circuit includes: a gain calculation circuit which calculates a screen power value based on pixel values and calculates a gain based on the screen power value; and a gain multiplication circuit which multiplies the pixel values by the gain, and when a maximum value of the pixel values exceeds a first threshold value, the gain calculation circuit calculates the screen power value by use of a common pixel value greater than or equal to the maximum value instead of the pixel values, and when the screen power value exceeds a control target power value, the gain calculation circuit sets the gain to a ratio of the control target power value with respect to the screen power value, and when the screen power value is less than or equal to the control target power value, the gain calculation circuit sets the gain to 1.Type: GrantFiled: September 21, 2020Date of Patent: August 31, 2021Assignee: JOLED INC.Inventor: Toshiyuki Kato
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Patent number: 11100859Abstract: A processing circuit processes video signals for a display device which includes a display panel including pixels each having a self light emitting element and a current limiting circuit limiting a current to the pixels. The processing circuit includes: a frame memory storing video signals of a previous frame; and a signal processer which: compares a luminance represented by a video signal of the current frame corresponding to a pixel and a luminance represented by a video signal of the previous frame corresponding to the pixel; outputs the video signal of the current frame in a case where the luminance represented by the video signal of the current frame is equal to or smaller than the luminance represented by the video signal of the previous frame or equal to or smaller than a predetermined threshold value; and outputs a weighted average of the video signal of the current frame and the video signal of the previous frame in any other case.Type: GrantFiled: January 28, 2020Date of Patent: August 24, 2021Assignee: JOLED INC.Inventor: Toshiyuki Kato
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Publication number: 20210090499Abstract: A current limiting circuit includes: a gain calculation circuit which calculates a screen power value based on pixel values and calculates a gain based on the screen power value; and a gain multiplication circuit which multiplies the pixel values by the gain, and when a maximum value of the pixel values exceeds a first threshold value, the gain calculation circuit calculates the screen power value by use of a common pixel value greater than or equal to the maximum value instead of the pixel values, and when the screen power value exceeds a control target power value, the gain calculation circuit sets the gain to a ratio of the control target power value with respect to the screen power value, and when the screen power value is less than or equal to the control target power value, the gain calculation circuit sets the gain to 1.Type: ApplicationFiled: September 21, 2020Publication date: March 25, 2021Applicant: JOLED INC.Inventor: Toshiyuki KATO
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Publication number: 20200388200Abstract: The present invention provides a head-up display apparatus capable of properly presenting information to a wide area. A head-up display apparatus includes: an image light output unit configured to output a first image display light formed by a visible light laser and a second image display light formed by an ultraviolet light laser; a screen that diffuses and transmits the first image display light, and transmits the second image display light without diffusing the second image display light; and a mirror that reflects the first and the second image display lights transmitted through the screen towards a windshield that presents a virtual image to a user by reflecting the visible light laser and presents a real image to the user by receiving the ultraviolet light laser and emitting light by itself.Type: ApplicationFiled: August 24, 2020Publication date: December 10, 2020Inventor: Toshiyuki KATO
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Publication number: 20200279528Abstract: A processing circuit processes video signals for a display device which includes a display panel including pixels each having a self light emitting element and a current limiting circuit limiting a current to the pixels. The processing circuit includes: a frame memory storing video signals of a previous frame; and a signal processer which: compares a luminance represented by a video signal of the current frame corresponding to a pixel and a luminance represented by a video signal of the previous frame corresponding to the pixel; outputs the video signal of the current frame in a case where the luminance represented by the video signal of the current frame is equal to or smaller than the luminance represented by the video signal of the previous frame or equal to or smaller than a predetermined threshold value; and outputs a weighted average of the video signal of the current frame and the video signal of the previous frame in any other case.Type: ApplicationFiled: January 28, 2020Publication date: September 3, 2020Applicant: JOLED INC.Inventor: Toshiyuki KATO
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Patent number: 10522088Abstract: A signal processing circuit includes an accumulator circuit that accumulates display history information regarding light-emitting devices, and a detection circuit that detects the degree of deterioration of a display panel by the accumulated display history information and detects a rotation-recommended state of the display panel on the basis of the degree of deterioration. In the case where the display panel is divided into a plurality of blocks each including the same number of pixel circuits, the detection circuit detects the degree of deterioration for each of the blocks, and if the number of the blocks whose degrees of deterioration are greater than or equal to a first threshold value determined in advance is greater than or equal to a predetermined number, detects that the display panel is in the rotation-recommended state.Type: GrantFiled: June 15, 2018Date of Patent: December 31, 2019Assignee: JOLED INC.Inventor: Toshiyuki Kato
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Publication number: 20190035337Abstract: A display panel includes: a panel unit including a plurality of pixel circuits arranged in rows and columns; a source driving circuit that supplies, to the pixel circuits, a video image signal representing a video image displayed on the panel unit; a gate driving circuit that supplies, to the pixel circuits in a row-sequential manner, control signals each being a gate signal indicating a write timing of writing the video image signal; and a control terminal that receives a clear signal that serves as a refresh interruption signal. When the clear signal is received by the control terminal during the supply of the control signals, the gate driving circuit interrupts the supply of the control signals to the pixel circuits in a subsequent row.Type: ApplicationFiled: June 15, 2018Publication date: January 31, 2019Applicant: JOLED INC.Inventor: Toshiyuki KATO
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Publication number: 20190027097Abstract: A signal processing circuit includes an accumulator circuit that accumulates display history information regarding light-emitting devices, and a detection circuit that detects the degree of deterioration of a display panel by the accumulated display history information and detects a rotation-recommended state of the display panel on the basis of the degree of deterioration. In the case where the display panel is divided into a plurality of blocks each including the same number of pixel circuits, the detection circuit detects the degree of deterioration for each of the blocks, and if the number of the blocks whose degrees of deterioration are greater than or equal to a first threshold value determined in advance is greater than or equal to a predetermined number, detects that the display panel is in the rotation-recommended state.Type: ApplicationFiled: June 15, 2018Publication date: January 24, 2019Applicant: JOLED INC.Inventor: Toshiyuki KATO
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Patent number: 10140950Abstract: The present disclosure provides a display device driving method and the like that can suppress degradation of display quality at the time of switching to a video based on a video signal from an external signal source. The display device driving method according to the present disclosure includes: receiving a training signal transmitted from an external signal source; after receiving the training signal, transmitting a lock signal to the external signal source at a timing based on an internal synchronization signal of the display device; after transmitting the lock signal, receiving a video signal that is transmitted from the external signal source and is synchronous with an external synchronization signal; and displaying a video by using the video signal received from the external signal source.Type: GrantFiled: November 10, 2016Date of Patent: November 27, 2018Assignee: JOLED INC.Inventor: Toshiyuki Kato
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Patent number: 10121411Abstract: A display device includes pixel units, a source driver and a control unit. The source driver applies voltage corresponding to gray level values to data signal lines. Each of the pixel units includes a light-emitting element, a capacitance element and a driving transistor. The light-emitting element emits light according to a driving current. The capacitance element accumulates charge corresponding to a voltage at a connected data signal line. The driving transistor supplies the driving current corresponding to the accumulated charge to the light-emitting element. The control unit decreases voltage(s) to be outputted from the source driver, when an appearance frequency of display pixels having a low gray-level value is lower than a first reference frequency, or when an appearance frequency of display pixels having a high gray-level value is lower than a second reference frequency.Type: GrantFiled: November 16, 2015Date of Patent: November 6, 2018Assignee: JOLED INC.Inventor: Toshiyuki Kato